quinnipiac found that senate candidates chris murphy and linda mcmahon are locked in a dead heat as they battle for retiring senator joe lieberman's seat. right now the republican linda mcmahon holds a one-point lead, 48% to 47%. along with being one of the hardest fought and most expensive senate races in the country, it's also one of the nastiest. according to the yale "daily news," the two campaigns combined have sponsored more than 3,700 negative ads. >>> and now time once again for some trail mix. and in this case, steve martin lending his wild and crazy humor in support of a political pal. he endorsing nebraska's democratic state senator bob kerry for re-election under the guise of showing viewers how to make a crumpleded up wad of paper. and his instructions were a little naushl. >> you're going to need a blank piece of paper, some paper clips, a few brads, a stapler, a stick of gum, some scissors, and a hammer. >> bristol palin giving a boost to mama grizzly sarah while smacking down actress julianne moore. the former "dancing with the stars" contestant says that moore who recent